ServiceNow Staff Engineer Interview Questions and Answers

Q1. The question were related to sql and power bi
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Q2. How do you do data analysis before building the reports? What steps do you take?
Ans. 
Before building reports, I conduct data analysis by following a structured process.
• Define the objective of the analysis and the key questions to be answered

• Collect relevant data from various sources

• Clean and preprocess the data to ensure accuracy and consistency

• Perform exploratory data analysis to identify patterns and trends

• Use statistical methods and tools to analyze the data

• Visualize the data using charts, graphs, a...read more
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Q1. Leetcode medium questions were asked
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Q1. Related to Software Testing Process Coding questions Puzzle
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Q2. How to get individual character from string
Ans. 
Use indexing to access individual characters from a string.
• Use square brackets and the index number to access a specific character in the string.

• Remember that indexing starts at 0 in most programming languages.

• Example: str = 'hello', to get the first character 'h', use str[0].
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Q1. Coding Questions
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Q1. Managerial round
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Q1. Tags management
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Q1. The question were related to sql and power bi
Add your answer
Q2. How do you do data analysis before building the reports? What steps do you take?
Ans. 
Before building reports, I conduct data analysis by following a structured process.
• Define the objective of the analysis and the key questions to be answered

• Collect relevant data from various sources

• Clean and preprocess the data to ensure accuracy and consistency

• Perform exploratory data analysis to identify patterns and trends

• Use statistical methods and tools to analyze the data

• Visualize the data using charts, graphs, a...read more
Answered by AI
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Round duration - 60 minutes
Round difficulty - Medium

In first round, I was not able to complete code but explained the solution. 
Tip : Try to practice coding even if you have 10 years of experience.

Q1. 
Search In Rotated Sorted Array Problem Statement
Given a rotated sorted array ARR of size 'N' and an integer 'K', determine the index at which 'K' is present in the array.
Note:
1. If 'K' is not present...read more
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Q2. 
Minimum Jumps Problem Statement
Bob and his wife are in the famous 'Arcade' mall in the city of Berland. This mall has a unique way of moving between shops using trampolines. Each shop is laid out in a st...read more
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Round duration - 45 minutes
Round difficulty - Medium

Round 2 went very good. They gave a design question in this round.

Q1. Design a file searching functionality for Windows and Mac that includes indexing of file names.
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Round duration - 45 minutes
Round difficulty - Medium

The third round was also a design round.

Q1. How would you design a system for MakeMyTrip?
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Q1. Data Structures, Core Java
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Q1. Spring boot, Microservices
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Q1. File system implementation question
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Q2. Implement method which returns total usage
Ans. 
Implement a method to return total usage
• Create a method that calculates the total usage by summing up individual usage values

• Ensure the method can handle different types of usage data (e.g. integers, floats)

• Consider implementing error handling for invalid input data

• Test the method with sample data to verify its accuracy
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Q3. A file will have special tag call container , list all the k container with max usgae
Ans. 
List all containers with max usage of the special tag 'container'.
• Identify all containers with the special tag 'container'.

• Calculate the usage of each container.

• Find the container(s) with the maximum usage.
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